If you want to get a jump on Black Friday, check out this list of sites that post Black Friday shopping ads (including hours) for major retailers well before Black Friday. Some of them also offer newsletters to keep you up-to-date on the latest deals, and all of them offer Smartphone apps:
BlackFriday.com: This site includes Black Friday ads for more than 100 retailers. It also offers cashback rebates for online shopping, coupon codes, and a Black Friday iPhone app.
Deal News: This site include Black Friday ads for more than 60 retailers. It also includes an e-mail newsletter and an app for iPhone or Android.
BlackFriday by BradsDeals: This site includes ads for more than 100 retailers. It also includes a newsletter and a Black Friday iPhone app.